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7298a38552
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
71 lines
3.4 KiB
JavaScript
71 lines
3.4 KiB
JavaScript
// Copyright 2008 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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function ToUInt32(x) {
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return x >>> 0;
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}
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assertEquals(0, ToUInt32(0), "0");
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assertEquals(0, ToUInt32(-0), "-0");
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assertEquals(0, ToUInt32(Infinity), "Infinity");
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assertEquals(0, ToUInt32(-Infinity), "-Infinity");
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assertEquals(0, ToUInt32(NaN), "NaN");
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assertEquals(0, ToUInt32(Number.MIN_VALUE), "MIN");
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assertEquals(0, ToUInt32(-Number.MIN_VALUE), "-MIN");
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assertEquals(0, ToUInt32(0.1), "0.1");
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assertEquals(0, ToUInt32(-0.1), "-0.1");
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assertEquals(1, ToUInt32(1), "1");
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assertEquals(1, ToUInt32(1.1), "1.1");
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assertEquals(4294967295, ToUInt32(-1), "-1");
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assertEquals(4294967295, ToUInt32(-1.1), "-1.1");
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assertEquals(2147483647, ToUInt32(2147483647), "2147483647");
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assertEquals(2147483648, ToUInt32(2147483648), "2147483648");
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assertEquals(2147483649, ToUInt32(2147483649), "2147483649");
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assertEquals(4294967295, ToUInt32(4294967295), "4294967295");
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assertEquals(0, ToUInt32(4294967296), "4294967296");
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assertEquals(1, ToUInt32(4294967297), "4294967297");
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assertEquals(2147483649, ToUInt32(-2147483647), "-2147483647");
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assertEquals(2147483648, ToUInt32(-2147483648), "-2147483648");
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assertEquals(2147483647, ToUInt32(-2147483649), "-2147483649");
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assertEquals(1, ToUInt32(-4294967295), "-4294967295");
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assertEquals(0, ToUInt32(-4294967296), "-4294967296");
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assertEquals(4294967295, ToUInt32(-4294967297), "-4294967297");
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assertEquals(2147483647, ToUInt32('2147483647'), "'2147483647'");
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assertEquals(2147483648, ToUInt32('2147483648'), "'2147483648'");
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assertEquals(2147483649, ToUInt32('2147483649'), "'2147483649'");
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assertEquals(4294967295, ToUInt32('4294967295'), "'4294967295'");
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assertEquals(0, ToUInt32('4294967296'), "'4294967296'");
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assertEquals(1, ToUInt32('4294967297'), "'4294967297'");
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